201423324 has 24 divisors (see below), whose sum is σ = 481452048. Its totient is φ = 65503360.

The previous prime is 201423311. The next prime is 201423331. The reversal of 201423324 is 423324102.

It is a self number, because there is not a number n which added to its sum of digits gives 201423324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204207 + ... + 205190.

It is an arithmetic number, because the mean of its divisors is an integer number (20060502).

Almost surely, 2^201423324 is an apocalyptic number.

It is an amenable number.

201423324 is an abundant number, since it is smaller than the sum of its proper divisors (280028724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201423324 is a wasteful number, since it uses less digits than its factorization.

201423324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409445 (or 409443 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 201423324 is about 14192.3685126902. The cubic root of 201423324 is about 586.1875445640.

Adding to 201423324 its reverse (423324102), we get a palindrome (624747426).

The spelling of 201423324 in words is "two hundred one million, four hundred twenty-three thousand, three hundred twenty-four".